"Habibollah Latifi, Ehsan (Esma'il) Fattahian and Sherko Moarefi have all been sentenced to death for "enmity against God" in unconnected cases over the last two years. They are believed to be on death row in a prison in Sanandaj, the provincial capital of Kordestan."

They are also Kurds, so this is also all tangled up in regional politics. One thing you can do right now is fill in a petition to the Iranian government: